San Juan Bautista, CA Weather & Growing Conditions
Today
67°F
Sunny
Sunny. High near 67, with temperatures falling to around 63 in the afternoon. North wind 2 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Sunny | 2 to 9 mph N | 0% |
| Tonight | 47°F | Mostly Cloudy | 1 to 5 mph SSE | 1% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph NNE | 0% |
| Thursday Night | 47°F | Clear | 1 to 5 mph E | 0% |
| Friday | 74°F | Sunny | 5 mph NNE | 0% |
| Friday Night | 48°F | Mostly Clear | 1 to 12 mph E | 0% |
| Saturday | 78°F | Sunny | 2 to 7 mph ENE | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 7 mph ESE | 0% |
| Sunday | 78°F | Sunny | 2 to 6 mph NNE | 0% |
| Sunday Night | 50°F | Partly Cloudy | 0 to 9 mph NE | 0% |
| Monday | 74°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 to 7 mph NE | 0% |
| Tuesday | 74°F | Sunny | 1 to 8 mph NNE | 1% |
| Tuesday Night | 51°F | Mostly Clear | 1 to 8 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Juan Bautista, CA
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
287 days
Hardiness zone
9b
Explore more for San Juan Bautista, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hollister 2, Ca (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.